[GRASS-user] new wxGUI feature: Map Swipe

Moritz Lennert mlennert at club.worldonline.be
Fri Aug 31 02:56:39 PDT 2012


On 31/08/12 11:27, Anna Kratochvílová wrote:
> Hi,
>
> On Fri, Aug 31, 2012 at 11:07 AM, Paulo van Breugel
> <p.vanbreugel at gmail.com>  wrote:
>> Hi Anna
>>
>> This looks like a very useful tool, and it works perfectly (running grass 7
>> on Ubuntu 12.04), thanks!
>>
>> If I may make a feature request. Would it be very difficult to implement an
>> option where rather then splitting the area between the two maps, the same
>> area is shown for both maps (i.e., mirrored maps). In that option, moving
>> one map would move the other map too. This makes it easier to see changes
>> between two maps in detail. In case my explanation isn't clear, a nice
>> example is the MIrrorMap plug-in for QGIS.
>>
> Seems clear to me. I added it to map swipe wiki page, you can edit it.
> I remember someone on mailing list was asking about similar
> functionality - synchronize display region extent of more Map Displays
> - could it be what you mean?

http://trac.osgeo.org/grass/ticket/1669

I'm not sure that this should be part of the swipe tool. I'd rather see 
this as a general feature of Map Displays, i.e. the option to linked any 
number of Map Displays so that when you pan / zoom in one the other(s) 
adjust automagically. Then again, I'm only the one asking, not doing ... ;-)

Moritz


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